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Finding the Fourth Proportional to 5,871.22, 8,801.88 and 2,749.60

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Solution

The fourth proportional to 5,871.22, 8,801.88 and 2,749.60 is: 4,122.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.22 : 8,801.88 = 2,749.60 : x
  2. Step 2: Convert to fraction form
    5,871.22/8,801.88 = 2,749.60/x
  3. Step 3: Cross multiply
    5,871.22x = 8,801.88 × 2,749.60
  4. Step 4: Simplify right side
    5,871.22x = 24,201,649.25
  5. Step 5: Solve for x
    x = 24,201,649.25/5,871.22
  6. Step 6: Final answer
    x = 4,122.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.